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Yokogawa YF104-NNNB1A-S Vortex Flowmeter
Product Introduction: A versatile vortex flowmeter for measuring liquid, gas, and steam flow rates using the von Kármán vortex street principle, with no moving parts for high reliability.
Technical Specifications:
- Measured Media: Liquid, gas, steam
- Reynolds Number Range: 5×10³ to 7×10⁶
- Accuracy: ±1.0% of reading (liquid/gas <35 m/s), ±1.5% (gas 35–80 m/s)
Detailed content
- Output Signal: 4–20 mA DC (2-wire), pulse (3-wire)
- Time Constant: 5 s (analog output)
- Operating Temperature: -40°C to 250°C (depending on model)
- Pressure Rating: Up to 16 MPa
- Display: Optional TBS (instantaneous + total flow), TBT (total flow), TBL (analog percentage)
Functional Features:
- No moving parts, ensuring long service life and minimal maintenance
- Wide turndown ratio for versatile flow measurement
- High resistance to vibration and fluid disturbances
- Easy installation with standard flange connections
- Built-in temperature compensation for steam measurement
Application Scenarios: Steam metering in power plants, gas flow in chemical plants, liquid flow in water treatment, and general industrial flow measurement for various fluids.
